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1979•Japanese Journal of Applied PhysicsOpen access

Low-Cost High-Efficiency SnO2/n+-p Si Heteroface Soiar Cell

Hideyuki Takakura, Yoshihiro Hamakawa

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Abstract

A new type of low cost Si heteroface solar cell having a construction of SnO 2 /p + -p Si has been developed. Fabrication processes are much simpler than the ordinary p-n homojunction solar cell with very high conversion efficiency of 12.9%. SnO 5 layer acts as not only a heterojunction window but also a low resistance contact and an antireflective coating. Optimum design of this type solar cell has also been investigated, and discussed with the experimental data.

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A new type of low cost Si heteroface solar cell having a construction of SnO 2 /p + -p Si has been developed. Fabrication processes are much simpler than the ordinary p-n homojunction solar cell with very high conversion efficiency of 12.9%. SnO 5 layer acts as not only a heterojunction window but also a low resistance contact and an antireflective coating. Optimum design of this type solar cell has also been investigated, and discussed with the experimental data.

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Available abstract

A new type of low cost Si heteroface solar cell having a construction of SnO 2 /p + -p Si has been developed. Fabrication processes are much simpler than the ordinary p-n homojunction solar cell with very high conversion efficiency of 12.9%. SnO 5 layer acts as not only a heterojunction window but also a low resistance contact and an antireflective coating. Optimum design of this type solar cell has also been investigated, and discussed with the experimental data.

Key concepts: Homojunction, Anti-reflective coating, Solar cell, Fabrication, Materials science, Heterojunction, Optoelectronics, Coating

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